但火藥除外。它的傳播是唐朝與波斯國的戰爭,唐朝軍隊被打敗了,被俘虜的士兵把造火藥的技術傳到今伊朗,然後再傳入西方。
但火藥除外。它的傳播是唐朝與波斯國的戰爭,唐朝軍隊被打敗了,被俘虜的士兵把造火藥的技術傳到今伊朗,然後再傳入西方。
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